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Basic physics and biology of radiation therapy

I R Crocker¹, Y Popowski

¹Emory University School of Medicine, Atlanta, Georgia 303226A, USA. ian@emorypo.radonc.eushc.org

Seminars in Interventional Cardiology : SIIC

|June 1, 1997

Summary

Ionizing radiation, used therapeutically for various conditions, involves localized energy release. This review covers radiation physics and biology principles for interventional cardiologists exploring its use to prevent restenosis.

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Area of Science:

Medical Physics
Radiation Biology
Interventional Cardiology

Background:

Therapeutic use of ionizing radiation began in 1895.
Radiobiological principles have evolved over a century.
Ionizing radiation releases localized energy for treating benign and malignant conditions.

Purpose of the Study:

Review basic radiation physics and biology principles.
Familiarize interventional cardiologists with radiation therapy.
Explore the application of radiation to prevent restenosis.

Main Methods:

Review of fundamental radiation physics.
Review of fundamental radiation biology.
Discussion of electromagnetic and particulate radiation types.

Main Results:

Ionizing radiation encompasses electromagnetic (X-rays, gamma rays) and particulate forms (electrons, protons, alpha particles, neutrons).
Understanding radiation physics and biology is crucial for its therapeutic application.
Radiation's localized energy release is key to its clinical use.

Conclusions:

Basic radiation principles are essential for interventional cardiologists.
Radiation therapy is an evolving application for preventing restenosis.
Further understanding of radiation physics and biology can enhance clinical practice.

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